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Medium yellow Floribunda.
Registration name: King Boreas

Bred by Brownell Family (United States, 1941).
Introduced in Australia by Hazlewood Bros. Pty. Ltd. in before 1961 as 'King Boreas'.

Floribunda.   (Series: Sub-Zero Series)  

Yellow.  Strong fragrance.  Double (17-25 petals) bloom form.  Blooms in flushes throughout the season.  

USDA zone 6b and warmer.  Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.  

Named for the Aurora Borealis...